// flex布局
.flexLayout (@align: center, @justify: center, @direction: row) {
  display: flex;
  align-items: @align;
  justify-content: @justify;
  flex-direction: @direction;
}

.flexDirection(@direction: row) {
  display: flex;
  flex-direction: @direction;
}

// 文字溢出隐藏... (rows - 显示行数)
.overflowEllipsis(@row: 1) {
  white-space: pre-wrap;
  overflow : hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: @row;
}